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Line Art Illustrations of Parametric and Implicit Forms
January-March 1998 (vol. 4 no. 1)
pp. 71-81

Abstract—A technique is presented for line art rendering of scenes composed of freeform surfaces. The line art that is created for parametric surfaces is practically intrinsic and is globally invariant to changes in the surface parameterization. This method is equally applicable for line art rendering of implicit forms, creating a unified line art rendering method for both parametric and implicit forms. This added flexibility exposes a new horizon of special, parameterization independent, line art effects. Moreover, the production of the line art illustrations can be combined with traditional rendering techniques such as transparency and texture mapping. Examples that demonstrate the capabilities of the proposed approach are presented for both the parametric and implicit forms.

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Index Terms:
Sketches, illustrations, line drawings, freeform surfaces, NURBs, implicit forms, surface coverage, printing.
Citation:
Gershon Elber, "Line Art Illustrations of Parametric and Implicit Forms," IEEE Transactions on Visualization and Computer Graphics, vol. 4, no. 1, pp. 71-81, Jan.-March 1998, doi:10.1109/2945.675655
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